Former President Donald Trump was shot Saturday with what has become the weapon of choice for mass shooters, an AR-15-style firearm.

The father of accused Georgia school shooter Colt Gray believed that his 14-year-old son was too gentle, and bought him the AR-15-style rifle in an attempt to “toughen him up,” a relative ...

Colt Gray, 14, is accused of killing four people and injuring nine others at Apalachee High School by using an AR-15-style rife.

The limited ruling on Tuesday only applies to the Colt AR-15 and not similar weapons. NJ's AG said he will appeal the decision.

A federal court judge on Tuesday ruled New Jersey’s ban on AR-15 rifles is unconstitutional, a decision that could force the state to lift its decades-old prohibition on certain semi-automatic ...

An AR-15-style semiautomatic rifle was recovered by law enforcement at the scene of the attempted assassination of former President Donald J. Trump at his rally in Butler, Pa., on Saturday.

Colt's recent decision to halt civilian production of AR-15s sent a tremor through the small-arms community, a sign that other gunmakers may fall victim to a market swelled to capacity with the ...

But Colt retained the AR-15 trademark, so each of the more than two dozen gunmakers who have built copy-cat variants has had to come up with their own name.